Global Patent Index - EP 2636681 A1

EP 2636681 A1 20130911 - Process for enriching IgA

Title (en)

Process for enriching IgA

Title (de)

Verfahren zur Anreicherung von IgA

Title (fr)

Procédé d’enrichissement d'IgA

Publication

EP 2636681 A1 20130911 (EN)

Application

EP 12158927 A 20120309

Priority

EP 12158927 A 20120309

Abstract (en)

The invention relates to a process for enriching IgA (and IgM) from IgA-comprising material. In particular, it relates to a sequential elution process of an anion exchanger that leads to an advantageous enrichment and separation of monomeric and dimeric IgA.

IPC 8 full level

C07K 16/00 (2006.01); C07K 16/06 (2006.01)

CPC (source: EP US)

B01D 15/363 (2013.01 - EP US); C07K 16/00 (2013.01 - EP US); C07K 16/065 (2013.01 - EP US); C07K 16/18 (2013.01 - US)

Citation (applicant)

  • EP 0703922 A1 19960403 - AETSRN [FR]
  • WO 9964462 A1 19991216 - STATENS SERUMINSTITUT [DK], et al
  • US 6307028 B1 20011023 - LEBING WYTOLD [US], et al
  • WO 9725352 A1 19970717 - IMMUNO AG [AT], et al
  • ERIK J. WIERSMA ET AL., J. IMMUNOL., vol. 160, 1998, pages 5979 - 5989
  • HAMMARSTROM L. ET AL., IMMUNOL. REV., vol. 139, 1994, pages 43 - 70
  • EIBL, M. ET AL., N ENGL J MED, vol. 319, 1988, pages 1 - 7
  • COHN ET AL., J. AM. CHEM. SOC., vol. 68, 1946, pages 459
  • ONCLEY ET AL., J. AM. CHEM. SOC., vol. 71, 1949, pages 541
  • STEINBUCH ET AL., REV. FRANC. ET. CLIN. ET BIOL., vol. XIV, 1969, pages 1054
  • CRIPPS, A. W. ET AL., J. IMMUNOL. METHODS, vol. 57, 1983, pages 197 - 204
  • DOELLGAST, D. J. ET AL., IMMUNOCHEMISTRY, vol. 13, 1976, pages 135 - 139
  • KOBAYASHI, K. ET AL., ADV. EXP. MED. BIOL., vol. 216B, 1987, pages 1193 - 1197
  • LEIBL, H. ET AL., PROTEIN EXPRESSION AND PURIFICATION, vol. 6, 1995, pages 408 - 410
  • PEJAUDIER, L. ET AL., VOX. SANG., vol. 23, 1972, pages 165 - 175
  • ROQUE-BARRIERA, M. ET AL., J. IMMUNOL., vol. 134, 1985, pages 1740 - 1743
  • H. NITSCHMANN ET AL., HELVETICA CHIMICA ACTA, vol. 37, 1954, pages 866 - 73

Citation (search report)

  • [A] US 6646108 B1 20031111 - LEIBL HEINZ [AT], et al
  • [A] WO 0041721 A1 20000720 - CSL LTD [AU], et al
  • [A] US 2004132979 A1 20040708 - CHTOUROU ABDESSATAR SAMI [FR], et al
  • [A] US 5258177 A 19931102 - UEMURA YAHIRO [US], et al
  • [XI] LEUNG JOSEPH C K ET AL: "Charge-dependent binding of polymeric IgA1 to human mesangial cells in IgA nephropathy", KIDNEY INTERNATIONAL, vol. 59, no. 1, January 2001 (2001-01-01), pages 277 - 285, XP007920794, ISSN: 0085-2538
  • [A] LUELLAU E ET AL: "Development of a downstream process for the isolation and separation of monoclonal immunoglobulin A monomers, dimers and polymers from cell culture supernatant", JOURNAL OF CHROMATOGRAPHY, ELSEVIER SCIENCE PUBLISHERS B.V, NL, vol. 796, no. 1, 13 February 1998 (1998-02-13), pages 165 - 175, XP004108678, ISSN: 0021-9673, DOI: 10.1016/S0021-9673(97)01046-7
  • [A] E. LÜLLAU ET AL, BIOTECHNOLOGY TECHNIQUES, vol. 12, no. 6, 1 January 1998 (1998-01-01), pages 425 - 430, XP055031852, ISSN: 0951-208X, DOI: 10.1023/A:1008894919425
  • [A] CARLA DONADONI ET AL: "Setting of Methods for Analysis of Mucosal Antibodies in Seminal and Vaginal Fluids of HIV Seropositive Subjects from Cambodian and Italian Cohorts", PLOS ONE, vol. 5, no. 3, 1 January 2010 (2010-01-01), pages E9920 - E9920, XP055031878, ISSN: 1932-6203, DOI: 10.1371/journal.pone.0009920

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2636681 A1 20130911; AU 2013201388 A1 20130926; AU 2013201388 B2 20150903; CN 104245728 A 20141224; CN 104245728 B 20171128; DK 2822965 T3 20220711; EP 2822965 A1 20150114; EP 2822965 B1 20220511; ES 2919861 T3 20220728; HK 1202881 A1 20151009; JP 2015509523 A 20150330; JP 6259777 B2 20180110; KR 102079487 B1 20200221; KR 20140136028 A 20141127; US 2015005476 A1 20150101; US 9828418 B2 20171128; WO 2013132053 A1 20130912

DOCDB simple family (application)

EP 12158927 A 20120309; AU 2013201388 A 20130308; CN 201380013075 A 20130308; DK 13708164 T 20130308; EP 13708164 A 20130308; EP 2013054698 W 20130308; ES 13708164 T 20130308; HK 15103456 A 20150408; JP 2014560388 A 20130308; KR 20147028263 A 20130308; US 201314377535 A 20130308